The Canadian dollar sank against the U.S. dollar early Monday, hitting a new 11-year low as investors capitulated amid a broad selloff in global markets.
These 80 species fall into two groups: baleen and toothed. A type of baleen whale, humpback whales reach up to 50 feet long. Talia Romito and Sophie Webb/Courtesy of NOAA. Called mysticetesâa word derived from the Greek for âmustacheâ and âwhalesââbaleen whales are toothless.
Some whales are known as baleen whales including blue, right, bowhead, sei and gray whales. This refers to the fact that they have special bristle-like structures in their mouths (called baleen) that strains food from the water.Other whales, such as beluga or sperm whales, have teeth. 1  Share on Facebook.ome whales are known as baleen whales including blue, right, bowhead, sei and gray whales. This refers to the fact that they have special bristle-like structures in their mouths (called baleen) that strains food from the water.